上周我一直在考虑这篇报告 i___ ___ABOUT THIS REPORT LAST WEEK.
问题描述：
上周我一直在考虑这篇报告 i___ ___ABOUT THIS REPORT LAST WEEK.
答
have been thinking
答
was thinking
"上周"动作在过去，“一直”动作延续
答
上周我一直在考虑这篇报告.
I (kept thinking) about this report last week.
keep doing,一直做某事.
答
上周我一直在考虑这篇报告。
I【was thinking 】ABOUT THIS REPORT LAST WEEK.
用过去进行时。